CN1128730C - Automatic container locking apparatus for trailers - Google Patents
Automatic container locking apparatus for trailers Download PDFInfo
- Publication number
- CN1128730C CN1128730C CN01804181A CN01804181A CN1128730C CN 1128730 C CN1128730 C CN 1128730C CN 01804181 A CN01804181 A CN 01804181A CN 01804181 A CN01804181 A CN 01804181A CN 1128730 C CN1128730 C CN 1128730C
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- China
- Prior art keywords
- lock
- ing
- bolt
- actuator
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000004044 response Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 description 22
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/13—Securing freight containers or forwarding containers on vehicles
- B60P7/132—Securing freight containers or forwarding containers on vehicles twist-locks for containers or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/13—Securing freight containers or forwarding containers on vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
- Loading Or Unloading Of Vehicles (AREA)
- Body Structure For Vehicles (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The object of this invention is to provide an automatic container locking apparatus for trailers. This locking apparatus is automatically operable in response to the weight of a container to lock or unlock the container on the deck of a trailer. This locking apparatus has a housing (10) vertically set in the deck (1), with a spring-biased actuator (20) movably set within the housing (10). A spring-biased locking bolt (30) having a top head (31) is movably set within the actuator (20). This locking bolt (30) has a stopper (32) and a curved guide slit (41), thus being selectively moved together with the actuator (20) while being rotated. A support shaft (50) holds the vertical position of the locking bolt (30) within the housing (10). An actuation pin (51) of the shaft (50) engages with the curved guide slit (41), thus allowing the locking bolt (30) to be rotatable when the locking bolt is vertically moved together with the actuator (20).
Description
Technical field
Present invention relates in general to a kind of automatic container locking apparatus of trailer, more particularly, relate to a kind of automatic container locking apparatus, it is installed on the trailer deck, and respond the weight and automatic operation of freight container to lock or to open the freight container on the trailer deck, thereby when highway transports freight container, reliable and securely above deck, and be convenient to the workman and be loaded into freight container on the trailer deck or from the trailer deck unload containers with container fixing.
Background technology
Just as is known to the person skilled in the art, freight container is very big, similar covered wagon, a repeatedly used casing, is used for less crate or carboard are merged into one shipment, and design is in order to loading and unloading goods apace easily.This container loading and transports on highway with tractor truck on trailer.For when on highway, transporting freight container with this container fixing on trailer deck, a plurality of blocking devices have been installed in the desired location.This installation of blocking device on trailer deck is by special regulation and stipulation.
Fig. 1 a and 1b are section drawings, and the operation of existing trailer container locking apparatus when blocking device fixes on container lock on the trailer deck is shown.As shown in the figure, be installed in that the existing container locking apparatus in certain desired location comprises a lock(ing) bolt 2 on the trailer deck.This lock(ing) bolt 2 can vertically move under the effect of bar 3 and be rotatable, thereby the freight container on the deck 14 is locked or opens.For freight container 4 is locked on the deck 1, at first freight container 4 is placed on the desired location on deck 1.Then, the bar 3 that the workman handles lock(ing) bolt 2 is inserted into the lock hole 5 that is positioned on 1 bottom, deck with the top 2 ' that will handle lock(ing) bolt 2, thereby freight container 4 is locked on the deck 1.
Therefore, blocking device is fixed on freight container 4 on the deck 1 of trailer when transporting freight container on highway, and prevent this transport in the process freight container 4 undesirable above deck move or from the deck 1 accidental fall to highway.
Yet this existing trailer container locking apparatus is difficult to handle a bit, and the workman of tractor truck or driver often carelessness container lock is fixed on the trailer deck.When not fixing on container lock on the trailer deck as mentioned above when on highway, transporting freight container, freight container can be undesirable above deck move or from accidental fall on the deck to highway.Especially, when tractor truck is turned or through the rugged surface of road, and when being placed with freight container on the trailer and not locking it on the trailer deck, freight container is more prone to from the deck 1 and falls down and cause serious traffic accident.
Summary of the invention
Therefore, the problems referred to above at prior art have been made the present invention, one object of the present invention is to provide a kind of automatic container locking apparatus of trailer, it is installed on the trailer deck, and when needs are loaded into freight container on the trailer deck or during from the trailer deck unload containers, the weight of its response freight container and automatically operation with locking or open freight container on the trailer deck.
To achieve these goals, the invention provides a kind of automatic container locking apparatus of trailer, it comprises: the housing on desired location that vertically is arranged on trailer deck; One has an actuator that has the hollow structure of central opening, and this actuator axially and movably places in the housing when normally being made progress roof pressure by first compression coil spring, thereby this actuator can vertically extend and shrink with respect to the housing upper end; A vertical lock(ing) bolt, it has a termination in the top, this lock(ing) bolt movably and with one heart places in the central opening of actuator, thereby this lock(ing) bolt is movably inserted in the lock hole of freight container in the end, a retainer that is molded over lock(ing) bolt lateral outer desired location simultaneously optionally contacts with the bottom surface of actuator, thereby allows vertically moving together of lock(ing) bolt and actuator optionally and vertically to move; A desired depth is extended from the bottom of lock(ing) bolt in a hole that vertically is molded over the lock(ing) bolt center, has guide groove and this hole that takes shape in the bending on the lock(ing) bolt side to be communicated with simultaneously; A pivot shaft that is erected in the housing, be fixed on the bottom of housing at its place, bottom, this pivot shaft axially, up and movably is inserted in the hole of lock(ing) bolt from the bottom of lock(ing) bolt, is arranged under one the second spring normal circumstances in the hole of lock(ing) bolt upwards roof pressure lock(ing) bolt simultaneously; And actuating pin that takes shape in top, pivot shaft side, this pin movably meshes the curved guide groove of lock(ing) bolt, thereby when lock(ing) bolt response when freight container imposes on the external pressure of actuator downwards, allow lock(ing) bolt to rotate a predetermined angular with respect to actuator.
Description of drawings
From following with reference to understanding above-mentioned and other purpose of the present invention, feature and other advantages the detailed description of accompanying drawing, in the accompanying drawing with will be more readily apparent from:
Fig. 1 a and 1b are section drawings, and the operation of existing trailer container locking apparatus when blocking device fixes on container lock on the trailer deck is shown;
Fig. 2 is the decomposition diagram of the automatic container locking apparatus of the described a kind of trailer of the preferred embodiment of the present invention;
The transparent view of Fig. 3 and 4 container locking apparatus of the present invention and section drawing, wherein the each several part of blocking device is assembled into a single structure fully;
Fig. 5 a is a section drawing to 5c, and the operation of trailer container locking apparatus of the present invention when blocking device fixes on container lock on the trailer deck is shown;
Fig. 6 illustrates the position when container locking apparatus of the present invention without any lock hole and needn't lock above deck freight container and place above deck the time; And
Fig. 7 is the decomposition diagram of automatic container locking apparatus of the described a kind of trailer of modification of the preferred embodiment of the present invention, and wherein the housing profile of this device changes.
The specific embodiment
Referring now to accompanying drawing, the same label in the wherein different accompanying drawings is represented same or similar assembly.
Fig. 2 is the decomposition diagram of the automatic container locking apparatus of the described a kind of trailer of the preferred embodiment of the present invention.The transparent view of Fig. 3 and 4 container locking apparatus of the present invention and section drawing, wherein the each several part of blocking device is assembled into a single structure fully.As shown in the figure, trailer automatic container locking apparatus of the present invention comprises a housing 10, and it vertically is arranged on the desired location of trailer deck.A cylinder shape actuater 20, has a hollow structure that has at the staged central opening 21 of the center of actuator 20 moulding, when this actuator 20 is normally made progress roof pressure by first compression coil spring 22, axially and movably place in the housing 10, thereby this actuator 20 can extend and shrink with respect to housing 10 upper ends.Vertical lock(ing) bolt 30 that a termination 31 arranged in the top movably and with one heart places 21 li of the central openings of actuator 20, thereby this lock(ing) bolt 30 is movably inserted in the lock hole of freight container at 31 places, termination.A retainer 32 is molded over the pre-position of the lateral outer of lock(ing) bolt 30, and optionally the bottom surface with actuator 20 contacts, thereby allows vertically moving together of lock(ing) bolt 30 and actuator 20 optionally and vertically to move.
A hole 40 vertically is molded over the center of lock(ing) bolt 30.A desired depth is extended from the bottom of lock(ing) bolt 30 in this hole 40.The guide groove 41 of a crooked outline takes shape on the side of lock(ing) bolt 30 to be communicated with hole 40.As hereinafter will illustrating, when lock(ing) bolt 30 response imposes on the external pressure of lock(ing) bolt 30 downwards and when mobile, this curved guide groove 41 allows lock(ing) bolts 30 can rotate a predetermined angular with respect to actuator 20.
Fig. 5 a is a section drawing to 5c, and the operation of trailer container locking apparatus of the present invention when blocking device fixes on container lock on the trailer deck is shown.As shown in the figure, the housing 10 of this blocking device is arranged on the desired location of trailer deck 1.When blocking device of the present invention is not subjected to any downward pressure, flexibly and jointly 1 end face projects upwards from the deck by the actuator 20 of first and second compression coil springs 22 and 52 normal upwards roof pressures and lock(ing) bolt 30, thereby reaches the normal position of the blocking device shown in Fig. 5 a.
That is to say,, movably place housing 10 interior actuators 20 to be projected into the position of the full extension of its tip exterior that is positioned at housing 10 owing to the restoring force of first compression coil spring 22 in the normal position of the blocking device shown in Fig. 5 a.First spring 22 is arranged in the housing position between the bottom 11 of the bottom surface of actuator 20 and housing 10.In the normal position, movably place actuator 20 interior lock(ing) bolts 30 also to be projected into the position of the full extension of its tip exterior that is positioned at actuator 20 owing to the restoring force of second compression coil spring 52.In this case, the pivot shaft 50 that stands in bottom 11 central authorities regularly keeps the vertical position of lock(ing) bolt 30, and second springs 52 in the hole 40 of while lock(ing) bolt 30 are roof pressure lock(ing) bolt 30 upwards.In the normal position of blocking device, the outstanding extension of lock(ing) bolt 30 is limited by the engagement of the guide groove 41 of the pin 51 of pivot shaft 50 and lock(ing) bolt 30.
The normal position of the blocking device shown in Fig. 5 a is designed to the thickness " T " that gap " d " between the end face of retainer 32 of the bottom surface of actuator 20 and lock(ing) bolt 30 equals the steel plate of freight container 4 around lock hole 5.That is, the normal position of blocking device is set to " d=T ".When thereby freight container 4 was placed on the termination 31 of lock hole 5 aligning lock(ing) bolts 30 on the deck 1, downward pressure imposed on the end face of actuator 20 from freight container 4.Actuator 20 at first moves down a preset distance that equals the gap " d " between retainer 32 and the actuator 20 in housing 10 like this, and lock(ing) bolt 30 is motionless simultaneously.Thereby the termination 31 of lock(ing) bolt 30 is inserted into 5 li of the lock holes of freight container 4 fully freight container 4 being loaded into starting stage on the deck 1.Blocking device reaches a pri latched position like this, and in this position, retainer 32 beginnings contact with the bottom surface of actuator 20 shown in Fig. 5 b.At this moment, the lock hole 5 that takes shape on the steel plate of freight container 4 is designed to have rectangular profile, thereby can make the termination 31 of lock(ing) bolt 30 pass this hole smoothly when the correct mating holes 5 in termination 31.
When downward pressure further when freight container 4 imposes on the actuator 20 of Fig. 5 b because retainer 32 beginnings contact with the bottom surface of actuator 20, lock(ing) bolt 30 and actuator 20 move down together.Move down in the process together at lock(ing) bolt 30 and actuator 20, because the actuating pin 51 of fixing pivot shaft 50 and the curved guide groove 41 of rotating lock(ing) bolt 30 movably mesh, thereby lock(ing) bolt 30 also rotates a predetermined angular relative to actuator 20.The rectangle lock hole 5 of freight container 4 is passed in the termination 31 of the lock(ing) bolt 30 that has rotated like this, thereby freight container 4 is completely locked on the deck 1.Blocking device reaches a final latched position shown in Fig. 5 c like this.In this case, the angle that turns over of lock(ing) bolt 30 relatively-stationary pivot shafts 50 must correctly be set so that the rectangle lock hole 5 of freight container 4 is passed in termination 31.Therefore, blocking device of the present invention responds the weight of freight container 4 and operates so that freight container 4 is locked on the deck 1 of trailer automatically.
Fig. 6 illustrates the position when container locking apparatus of the present invention without any lock hole and needn't lock above deck freight container and place above deck the time.As shown in the figure, when a kind of like this without any lock hole and needn't lock above deck freight container 4 and be placed on the deck 1 time, it is interior so that the bottom surface of freight container 4 stably is placed on the end face on deck 1 that the termination 31 of lock(ing) bolt 30 fully retracts to housing 10, and be not subjected to the obstruction of lock(ing) bolt 30.The structure of this abundant retraction of lock(ing) bolt 30 also protects lock(ing) bolt 30 not to be subjected to unexpected failure or fracture.
Fig. 7 is the decomposition diagram of automatic container locking apparatus of the described a kind of trailer of modification of the preferred embodiment of the present invention, and wherein the housing profile of this device changes.In this modification, housing 10 is designed to have the rectangular cross section of the circular cross section that is different from Fig. 2.Certainly, be to be understood that housing 10 can also freely design its profile and can not influence function of the present invention to replace this circular cross section or rectangular cross section.
When freight container 4 upwards being promoted from the deck 1 of trailer so that freight container 4 during 1 unloading, discharge downward pressure from actuator 20, thereby blocking device is returned automatically to its normal position under the restoring force effect of two compression coil springs 22 and 52 from the deck.Therefore, when needs from the deck during 1 unload containers 4, blocking device can automatically unclamp freight container 4.
As mentioned above, the invention provides a kind of automatic container locking apparatus of trailer.This automatic container locking apparatus is installed on the trailer deck, and the weight of response freight container and automatically operation with locking or open freight container on the trailer deck.Thereby blocking device of the present invention and is convenient to the workman and is loaded into freight container on the trailer deck or from the trailer deck unload containers reliable and securely with container fixing above deck when highway transports freight container.
Although the preferred embodiments of the present invention have been described for exemplary purposes, those skilled in the art can understand that various modifications, increase and replacement all are possible, and do not break away from as disclosed scope of the present invention of claims and essence.
Claims (1)
1. the automatic container locking apparatus of a trailer comprises:
Housing on desired location that vertically is arranged on trailer deck;
One has an actuator that has the hollow structure of central opening, and described actuator axially and movably places in the housing when normally being made progress roof pressure by one first spring, thereby this actuator can vertically extend and shrink with respect to described housing upper end;
A vertical lock(ing) bolt, it has a termination in the top, this lock(ing) bolt movably and with one heart places in the described central opening of actuator, thereby this lock(ing) bolt is movably inserted in the lock hole of freight container in described end, a retainer that is molded over described lock(ing) bolt lateral outer desired location simultaneously optionally contacts with the bottom surface of actuator, thereby allows vertically moving together of lock(ing) bolt and actuator optionally and vertically to move;
A desired depth is extended from the bottom of lock(ing) bolt in a hole that vertically is molded over described lock(ing) bolt center, has curved guide groove and this hole that takes shape on the described lock(ing) bolt side to be communicated with simultaneously;
A pivot shaft that is erected in the described housing, be fixed on the bottom of housing at its place, bottom, described pivot shaft axially, up and movably is inserted in the hole of described lock(ing) bolt from the bottom of lock(ing) bolt, is arranged under one the second spring normal circumstances in the hole of lock(ing) bolt upwards roof pressure lock(ing) bolt simultaneously; And
An actuating pin that takes shape in top, described pivot shaft side, this pin movably meshes the described curved guide groove of lock(ing) bolt, thereby when lock(ing) bolt response when freight container imposes on the external pressure of actuator downwards, allow lock(ing) bolt to rotate a predetermined angular with respect to actuator.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000004080A KR100351793B1 (en) | 2000-01-27 | 2000-01-27 | Auto Locking Apparatus of Container For Trailer |
| KR2000/4080 | 2000-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1396873A CN1396873A (en) | 2003-02-12 |
| CN1128730C true CN1128730C (en) | 2003-11-26 |
Family
ID=19642183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01804181A Expired - Fee Related CN1128730C (en) | 2000-01-27 | 2001-01-18 | Automatic container locking apparatus for trailers |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6692203B2 (en) |
| EP (1) | EP1252040B1 (en) |
| JP (1) | JP3629658B2 (en) |
| KR (2) | KR200186762Y1 (en) |
| CN (1) | CN1128730C (en) |
| AT (1) | ATE451274T1 (en) |
| AU (2) | AU2001228897B2 (en) |
| BR (1) | BR0107856B1 (en) |
| DE (1) | DE60140728D1 (en) |
| MX (1) | MXPA02007316A (en) |
| WO (1) | WO2001054945A1 (en) |
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| CN105980205A (en) * | 2014-02-19 | 2016-09-28 | 米杰克产品有限公司 | Latching system for automatic securement of a container to a container chassis |
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-
2000
- 2000-01-27 KR KR2020000002288U patent/KR200186762Y1/en not_active IP Right Cessation
- 2000-01-27 KR KR1020000004080A patent/KR100351793B1/en not_active IP Right Cessation
-
2001
- 2001-01-18 MX MXPA02007316A patent/MXPA02007316A/en active IP Right Grant
- 2001-01-18 AU AU2001228897A patent/AU2001228897B2/en not_active Ceased
- 2001-01-18 AT AT01946821T patent/ATE451274T1/en not_active IP Right Cessation
- 2001-01-18 JP JP2001554909A patent/JP3629658B2/en not_active Expired - Fee Related
- 2001-01-18 DE DE60140728T patent/DE60140728D1/en not_active Expired - Fee Related
- 2001-01-18 AU AU2889701A patent/AU2889701A/en active Pending
- 2001-01-18 CN CN01804181A patent/CN1128730C/en not_active Expired - Fee Related
- 2001-01-18 WO PCT/KR2001/000082 patent/WO2001054945A1/en active Application Filing
- 2001-01-18 BR BRPI0107856-9A patent/BR0107856B1/en not_active IP Right Cessation
- 2001-01-18 EP EP01946821A patent/EP1252040B1/en not_active Expired - Lifetime
- 2001-01-18 US US10/181,415 patent/US6692203B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689609A (en) * | 2012-03-09 | 2012-09-26 | 江苏捷诚车载电子信息工程有限公司 | Quick limiting and locking device |
| CN105980205A (en) * | 2014-02-19 | 2016-09-28 | 米杰克产品有限公司 | Latching system for automatic securement of a container to a container chassis |
Also Published As
| Publication number | Publication date |
|---|---|
| US20030063958A1 (en) | 2003-04-03 |
| BR0107856B1 (en) | 2010-09-08 |
| KR100351793B1 (en) | 2002-09-11 |
| AU2001228897B2 (en) | 2005-10-13 |
| JP2003521408A (en) | 2003-07-15 |
| EP1252040A4 (en) | 2008-10-15 |
| EP1252040B1 (en) | 2009-12-09 |
| JP3629658B2 (en) | 2005-03-16 |
| ATE451274T1 (en) | 2009-12-15 |
| BR0107856A (en) | 2003-04-01 |
| US6692203B2 (en) | 2004-02-17 |
| KR20000030171A (en) | 2000-06-05 |
| DE60140728D1 (en) | 2010-01-21 |
| WO2001054945A1 (en) | 2001-08-02 |
| CN1396873A (en) | 2003-02-12 |
| EP1252040A1 (en) | 2002-10-30 |
| AU2889701A (en) | 2001-08-07 |
| MXPA02007316A (en) | 2003-03-10 |
| KR200186762Y1 (en) | 2000-06-15 |
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